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@ARTICLE{Pertsev:2729,
author = {Pertsev, N. A. and Petraru, A. and Kohlstedt, H.},
title = {{D}ynamics of ferroelectric nanodomains in {B}a{T}i{O}3
epitaxial thin films via piezoresponse force microscopy},
journal = {Nanotechnology},
volume = {19},
issn = {0957-4484},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {PreJuSER-2729},
pages = {375703},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {Ferroelectric nanodomains were created in BaTiO(3) thin
films by applying a voltage to a sharp conducting tip of a
scanning force microscope (SFM). The films were epitaxially
grown on SrRuO(3)-covered (001)-oriented SrTiO(3) substrates
by a high-pressure sputtering. They appeared to be
single-crystalline with the (001) crystallographic
orientation relative to the substrate. Using the
piezoresponse mode of the SFM to detect the out-of-plane
film polarization, the domain sizes were measured as a
function of the applied writing voltage and the pulse time.
It was found that the time dependence of the domain
diameter in a 60 nm thick BaTiO(3) film deviates
significantly from the logarithmic law observed earlier in
Pb(Zr(0.2)Ti(0.8))O(3) (PZT) films. At a given writing time,
the domain size increases nonlinearly with increasing
applied voltage, in contrast to the linear behavior reported
earlier for PZT films and LiNbO(3) single crystals. The
dynamics of domain growth is analyzed theoretically taking
into account the strong inhomogeneity of the external
electric field in the film and the influence of the bottom
electrode. It is shown that the observed writing time and
voltage dependences of the domain size can be explained by
the domain-wall creep in the presence of random-bond
disorder.},
keywords = {J (WoSType)},
cin = {IFF-6 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)VDB786 / $I:(DE-82)080009_20140620$},
pnm = {Grundlagen für zukünftige Informationstechnologien},
pid = {G:(DE-Juel1)FUEK412},
shelfmark = {Nanoscience $\&$ Nanotechnology / Materials Science,
Multidisciplinary / Physics, Applied},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:21832557},
UT = {WOS:000258385600020},
doi = {10.1088/0957-4484/19/37/375703},
url = {https://juser.fz-juelich.de/record/2729},
}